n.软垫；缓冲器
动词cushion的现在分词形式.
It was the idea of supporting a craft on a pad, or cushion, of low- pressure air, ringed with a curtain of higher pressure air. 这顶计划是将船支承在低压空气垫或低压空气软垫上，低压空气周围围着较高气压空气幔。
He comforted his back with soft cushions. 他铺上软垫使背部舒适些。
